Fossils suggest that the first major trait distinguishing hominins from other primates wasa. a larger brain.b. erect posture.c. forward-facing eyes with depth perception.d. tool making.

In the primate phylogenetic tree below, fill in groups (a)–(e). Of the groups, which are anthropoids and which are apes? a. b. c. d. e.

What is the function of primase?a. synthesis of the repetitive, short double-stranded DNA sequences required by DNA polymeraseb. synthesis of a short RNA strand that is complementary to single-stranded DNAc. closing the gap at the 3′ end of DNA after excision repaird. removing primers and synthesizing a short section of DNA to replace them

Most species of hominins are known only from Africa. Which species have been found in other parts of the world as well?a. early Homo—H. habilis and H. ergasterb. H. erectus, H. neanderthalensis, and H. floresiensisc. gracile australopithecinesd. robust australopithecines

As hominins diverged from other primates, which of the following appeared first?a. reduced jawbonesb. an enlarged brainc. the making of stone toolsd. bipedal locomotion

Which of the following correctly lists possible ancestors of humans from the oldest to the most recent?a. Homo erectus, Australopithecus, Homo habilisb. Australopithecus, Homo habilis, Homo erectusc. Australopithecus, Homo erectus, Homo habilisd. Homo ergaster, Homo erectus, Homo neanderthalensis

Which of these is not a member of the anthropoids?a. chimpanzeeb. tarsierc. humand. New World monkey

What aspect of DNA structure makes it possible for the proteins of nucleotide excision repair to recognize many different types of DNA damage? (a) the polarity of each DNA strand

Studies of DNA support which of the following?a. Members of the group called australopiths were the first to migrate from Africa.b. Homo sapiens originated in Africa.c. Sahelanthropus was the earliest hominin.d. Chimpanzees are more similar to gorillas and orangutans than to humans.